Задача отсюда (B). Решения с ответом на запрос за 
очевидны. Вопрос: как отвечать на запрос за линию?
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| # | User | Rating |
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| 1 | tourist | 4009 |
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| 6 | orzdevinwang | 3612 |
| 7 | Geothermal | 3569 |
| 7 | cnnfls_csy | 3569 |
| 9 | ecnerwala | 3494 |
| 10 | Um_nik | 3396 |
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| 4 | atcoder_official | 158 |
| 4 | cry | 158 |
| 4 | awoo | 158 |
| 7 | adamant | 155 |
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